/Engine/Source/Runtime/Engine/Public/WorldPartition/WorldPartitionRuntimeHash.h
Deprecated* GetAllStreamingCells is deprecated, use ForEachStreamingCells instead.
int32 GetAllStreamingCells ( [TSet](API\Runtime\Core\Containers\TSet)< const [UWorldPartitionRuntimeCell](API\Runtime\Engine\WorldPartition\UWorldPartitionRuntimeCell) * > & Cells, bool bAllDataLayers, bool bDataLayersOnly, const [TSet](API\Runtime\Core\Containers\TSet)< [FName](API\Runtime\Core\UObject\FName) > & InDataLayers ) const